overcommit_memory=2的使用场景: CommitLimit为当前系统可以申请的总内存,Committed_AS为当前已经申请的内存,记住是申请。 因此当你的free查看有很多大量可用的内存的时候,实际Committed_AS可能已经申请了大量的内存了,在vm.overcommit_memory 2模式下, 后续的程序可以申请的剩余内存为CommitLimit - Commited_AS了。而vm...
The rest of this paper is organized as follows. In Section2we first provide an overview of the conditions that need to be honored for in-order commit as well as provide an overview of out-of-order commit. Next, in Section3we present our evaluation methodology and simulated system configurati...